main constituent

基本解释

In the fourth part of this paper, the antitumor biochemical modulation of epigallocatechin-3-gallate (EGCG), which is a main constituent in green tea extract, is reported.
本论文第四部分探讨绿茶提取物中主要成分表没食子儿茶素没食子酸酯（EGCG）的抗肿瘤生化调节作用。
The results showed the main constituent in sea-buckthorn juice were oxalic acid, quinic acid, DL-malic acid, acetic acid.
结果表明，沙棘原汁中的有机酸主要有草酸、奎尼酸、苹果酸和抗坏血酸。
The author introduced the nutrition and health function, source, main nutriture and effect constituent of several Korean traditional fermented food stressed on the pungent cabbage.
以朝鲜族辣白菜为重点，介绍了几种朝鲜族传统发酵食品的营养保健功能及其来源、主要营养成分和功效成分。

They allege that the company's drilling polluted their water with chemicals,metals and methane, the main constituent of natural gas, causing explosions as well as gastrointestinal and neurological illness.

Dr Biermann and Dr Kusenko think that one in particular of these hypothetical particles—known as a sterile neutrino—will turn out to be the main constituent of dark matter.
ECONOMIST: Research from the beginning of time
Their main gripe is that the constituent assembly that has been acting as Venezuela's supreme power since its election last July has packed the electoral tribunal with government supporters.
ECONOMIST: Venezuela: Unchecked, unbalanced The

主成分
We used the L_9 (3~4) perpendicular sheet to determine the best water abstraction schema, and the single factor confrontation method to inspect the alcohol amount, precipitation time, relative density of extracta sicca and establish the best technology of alcohol precipitation and pressure-relief vacuum concentration methods by tracking detection of main constituent content.
通过对浓缩液中主成分含量跟踪检测，确定采用减压真空浓缩法浓缩药液。
化学
知组分